“The world needs to come up with solutions to fight three interrelated pandemics — obesity, starvation and climate change — and it needs to do it fast before the planet is “burning,” according to a report released Sunday in the Lancet. The Lancet Commission, a group of 43 experts from 14 countries with a broad range of expertise recruited by the journal, has tackled the topic with high-profile reports in 2011 and 2015, but “little progress has been made” other than acknowledging the epidemic, the authors of the newest report argue; in fact, the problem is getting worse.”